Datasheet

LTC3559/LTC3559-1
10
3559fb
BLOCK DIAGRAM
15
–
+
TA
800x
BAT
1x
T
DIE
T
DIE
OT
CA
NTCA
NTC REF
LOGIC
CHRG
16
2
PROG
BATTERY CHARGER
BUCK REGULATOR 1
CONTROL
LOGIC
MODEEN
V
C
V
FB
CLK
0.8V
14
PV
IN
7
SW1
6
SW2
8
1 17
V
CC
12
HPWR
11
SUSP
NTC
MODE
EN1
EN2
FB1
MAXER
V
IN
BAT
BODY
–
+
G
m
BUCK REGULATOR 2
3559 BD
CONTROL
LOGIC
MODEEN
V
C
GND EXPOSED PAD
V
FB
CLK
0.8V
–
+
G
m
UNDERVOLTAGE
LOCKOUT
DIE
TEMPERATURE
BANDGAP
OSCILLATOR
2.25MHz
V
REF
CLK
13
3
5
9
4
FB2
10